DBA/2J Inbred Strain TJL Mating System: Sibling x Sibling (Female x Male) Species: laboratory mouse H2 Haplotype: d Generation: F219p (14-DEC-06) Appearance: dilute brown Related Genotype: a/a Tyrp1b/Tyrp1b Myo5ad/Myo5ad Important Note This strain is homozygous for Cdh23ahl, the age related hearing loss 1 mutation, which on this background results in progressive hearing loss that is already severe by 3 months of age. Strain Description DBA/2J is a widely used inbred strain that is valuable in a wide number of research areas including cardiovascular biology, neurobiology, and sensorineural research. DBA2 D2 D2J DBA/2 James Malone Beck, J.A., et al., Genealogies of mouse inbred strains (2000), Nature, Jan2000, v24, p23 DBA